Solar cell



FIG. 1 is a top perspective view of the first embodiment of a solar cellshowing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a back elevation view thereof;

FIG. 7 is a front elevation view thereof;

FIG. 8 is a top perspective view of the second embodiment of a solarcell showing our new design;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a right side elevation view thereof;

FIG. 12 is a left side elevation view thereof;

FIG. 13 is a back elevation view thereof; and,

FIG. 14 is a front elevation view thereof.

The broken lines shown in the drawing views are included for the purposeof illustrating unclaimed portions of the solar cell that form no partof the claimed design. All elements shown in the FIGS. 1-3, and 8-10 arestructural lines on the surface and are flat with the top surface.

CLAIM The ornamental design for a solar cell, as shown and described.